Access control and how to connect the computer

Access control and how to connect the computer

Access control is also called the card issuer, are standard USB interface, first installed access control software, and then received the computer's USB interface can be issued in accordance with the operating instructions access card

What way of communication? TCP / IP connection to the router, 485 through the converter directly connected to the computer

Access control device data cable rs232 or usb directly connected to the computer's 232 or usb interface

Is not the access control card ah? If the card can be directly connected to the computer with USB directly. If the access control controller is the way upstairs said